Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6JSP callsign genealogy
Currently held by HARVEY, FLOYD E
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by W6JSP's current licensee, walking backwards.
- Holzapfel, MarkCAgranted 2015-01-26cancelled 2015-02-13
Successor callsigns
Callsigns held now by people who previously held W6JSP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6JSP, oldest first.
- HARVEY, FLOYD E CA1996-07-29 → cancelled 2008-07-30
- Holzapfel, Mark CA2015-02-13 active